CN102809799B - Lens focusing device - Google Patents
Lens focusing device Download PDFInfo
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- CN102809799B CN102809799B CN201210256244.7A CN201210256244A CN102809799B CN 102809799 B CN102809799 B CN 102809799B CN 201210256244 A CN201210256244 A CN 201210256244A CN 102809799 B CN102809799 B CN 102809799B
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Abstract
The invention discloses a lens focusing device. The lens focusing device comprises a focusing driving lever, a metal plate fixing bracket and a bracket screw. By using the lens focusing device, a driving lever pushing button in the focusing device can be arranged at a position where a user can conveniently and directly perform operation, so that the user can conveniently and directly perform focusing operation through the driving lever pushing button of the focusing device, and the using experience of the user is greatly improved. Furthermore, the phenomenon of an idle stroke in the focusing process can be effectively avoided, and the adjusting handfeel of the user can be improved.
Description
Technical field
The present invention relates to focus adjustment technology, particularly a kind of lens focusing device.
Background technology
In order to make full use of limited space, projector equipment of the prior art generally will be placed on the table or be suspended on body of wall, by projected on the metope or projection screen on opposite.Along with the difference of use scenes, metope or projection screen that the residing position of projector equipment and projected image project also will change thereupon, and therefore the distance between projector equipment and projection body of wall or projection screen also will change to some extent.In order to make cast out picture more clear, conventionally need to regulate accordingly the focal length of the camera lens in projector equipment.Therefore, in conventional projector equipment, be provided with corresponding focus control, for the focal length of adjustable lens.
In a lot of projector equipments in the prior art, due to the needs of global design, ray machine and be arranged at camera lens on ray machine and be generally arranged at the middle part of projector equipment, is set directly at the side of camera lens for the focusing cylindrical bar of the focal length of adjustable lens.Therefore, focus control in a lot of projector equipments is to be all generally set directly in the extension direction of described focusing cylindrical bar, its one end is connected with above-mentioned focusing cylindrical bar, it is arranged on the driving lever push button of the other end for the operation of focusing for user, be generally all to stretch out from the casing of described projector equipment side, be arranged on the side of projector equipment.
But, different from placement common projector equipment on the table, much be arranged on projector equipment on body of wall due to the periphery situation of its setting position or more special placement form, if focus control is directly drawn from the side of projector equipment, user will be difficult to use above-mentioned focus control to the projector equipment operation of focusing.For example, if focus control is arranged on the side of projector equipment, and distance between side and the body of wall of this projector equipment is when very little, and it is very difficult that the operation that user focuses by this focus control will become, and it is very poor that user's experience will become.
As from the foregoing, also there are some above-mentioned problems in lens focusing device of the prior art, therefore, is necessary to provide a kind of better lens focusing device, thus can be easily to the operation of focusing of the camera lens in projector equipment.
Summary of the invention
According to the present invention, a kind of lens focusing device is provided, thereby the position of the driving lever push button in described focus control can be arranged on to can focus the easily position of operation of user, improve user's experience.
According to a kind of lens focusing device of the present invention, it comprises: focusing driving lever, panel beating fixed support and bracket screw; Wherein,
Described focusing driving lever comprises: focusing lever, be arranged at focusing lever upper end and extended projector equipment housing driving lever push button, be arranged at focusing lever lower end and be the kink of predetermined angular with described focusing lever; The middle part of described focusing lever is provided with turning axle, and the middle part of described turning axle is provided with the first via hole; The bottom of described kink is provided with the lens focusing terminal jack being connected with the focusing cylindrical bar of described projector equipment;
Described panel beating fixed support comprises: the first side that the portion that arches upward, the side of portion that arches upward described in being arranged at and the upper semisection along described focusing lever extend and be placed in described in second side of arching upward the opposite side of portion and extending along the lower semisection of described focusing lever; On described the first side and the second side, be provided with second via hole that can pass through for described bracket screw; The described subordinate of arching upward has the space that can hold described turning axle; The outside of described the first side and the second side is provided with flange, and on described flange, being provided with can be for gib screw through the fixed via on the housing described panel beating fixed support is fixed on to projector equipment;
Described bracket screw, through arch upward the second via hole of portion both sides of the first via hole, the described panel beating fixed support of described turning axle, is fixed on described focusing driving lever on described panel beating fixed support.
Wherein, the predetermined angular between described focusing lever and described kink is 45 °, 90 ° or 135 °.
Wherein, described lens focusing device also further comprises: be arranged at respectively two Damping rotation shaft pads that described turning axle and described panel beating fixed support arch upward between the both sides of portion;
The middle part of described Damping rotation shaft pad is provided with the 3rd via hole that can pass through for described bracket screw; The one side contacting with the described panel beating fixed support portion of arching upward on described Damping rotation shaft pad is provided with the damping fin friction flange around described the 3rd via hole, is provided with the damping fin flange around described the 3rd via hole on the another side of described Damping rotation shaft pad;
The both sides of the turning axle of described focusing lever are provided with the damping gasket groove of the damping fin flange that can hold described Damping rotation shaft pad.
Wherein, the outside of described panel beating fixed support the first side is positioned at the second via hole place and is also provided with the female fixing flange threaded hole of tool;
The lower end of described bracket screw is provided with can be for the threaded portion being connected with described fixing flange threaded hole after described bracket screw successively the second via hole, the first via hole of described turning axle and the second via hole of the first side through the second side.
Wherein, the top of described bracket screw is head of screw.
Wherein, the middle part of described bracket screw is smooth screw rod.
Wherein, the fixed via on the flange of described panel beating fixed support the first side is U-shaped through hole;
Fixed via on the flange of described panel beating fixed support the second side is manhole.
Wherein, on the flange of described panel beating fixed support the second side, be also provided with pre-determined bit post through hole.
Wherein, described lens focusing terminal jack is U-shaped jack.
Wherein, the bottom of described driving lever push button is also provided with the appearance baffle plate of arc.
As seen from the above technical solution, in the lens focusing device in the present invention, mainly comprise: focusing driving lever, panel beating fixed support and bracket screw.Wherein, by stirring the driving lever push button of described focusing driving lever, can make the focusing cylindrical bar of described projector equipment carry out rectilinear motion, thereby can change the focal length of camera lens, realize the focusing operation to camera lens.Because kink and focusing lever on focusing driving lever are predetermined angular setting, therefore, driving lever push button in focus control of the present invention does not need to be arranged on the side of projector equipment, but can be according to the needs of practical situations, pre-determine described kink and the described focusing lever angle between being, thereby the position of the driving lever push button in described focus control is arranged on to the position that user can directly operate easily, thereby can facilitate user by the operation of directly focusing of the driving lever push button of this focus control, greatly improve user's experience.Further, owing to having used Damping rotation shaft pad in lens focusing device of the present invention, therefore can effectively avoid occurring in focusing process the phenomenon of " idle running ", promote user's adjusting feel.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described.Apparently, the accompanying drawing in below describing is only some embodiments of the present invention, for those of ordinary skills, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 is the assembling schematic diagram one of the lens focusing device in the embodiment of the present invention;
Fig. 2 is the assembling schematic diagram two of the lens focusing device in the embodiment of the present invention;
Fig. 3 is the perspective view of the lens focusing device in the embodiment of the present invention;
Fig. 4 is the positive perspective view of the focusing lever in the embodiment of the present invention;
Fig. 5 is the back side perspective view of the focusing lever in the embodiment of the present invention;
Fig. 6 is the support bracket fastened perspective view of the panel beating in the embodiment of the present invention;
Fig. 7 is the positive perspective view of the Damping rotation shaft pad in the embodiment of the present invention;
Fig. 8 is the back side perspective view of the Damping rotation shaft pad in the embodiment of the present invention;
Fig. 9 is the perspective view of the bracket screw in the embodiment of the present invention.
Embodiment
For making object of the present invention, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
Referring to Fig. 1 to Fig. 9, the lens focusing device in the present embodiment comprises: focusing driving lever 1, panel beating fixed support 2 and bracket screw 3.
Wherein, described focusing driving lever 1 comprises: focusing lever 11, be arranged at focusing lever 11 upper ends and extended projector equipment 100 housings driving lever push button 12, be arranged at focusing lever 11 lower ends and be the kink 13 of predetermined angular with described focusing lever 11; The middle part of described focusing lever 11 is provided with turning axle 14, and the middle part of described turning axle 14 is provided with the first via hole 15; The bottom of described kink 13 is provided with the lens focusing terminal jack 16 being connected with the focusing cylindrical bar 101 of described projector equipment 100;
Described panel beating fixed support 2 comprises: the first side 22 that the portion 21 that arches upward, the side of portion 21 that arches upward described in being arranged at and the upper semisection along described focusing lever 11 extend and be placed in described in second side 23 of arching upward the opposite side of portion 21 and extending along the lower semisection of described focusing lever 11; On described the first side 22 and the second side 23, be provided with second via hole 24 that can pass through for described bracket screw 3; The described portion that arches upward has the space that can hold described turning axle 14 21 times; The outside of described the first side 22 and the second side 23 is provided with flange 25, and on described flange 25, being provided with can be for gib screw through the fixed via 26 on the housing described panel beating fixed support 2 is fixed on to projector equipment 100;
Described bracket screw 3, through arch upward the second via hole 24 of portion 21 both sides of the first via hole 15, the described panel beating fixed support 2 of described turning axle 14, is fixed on described focusing driving lever 1 on described panel beating fixed support 2.
Preferably, in specific embodiments of the invention, the predetermined angular between described focusing lever 11 and described kink 13 can preset according to practical situations.For example, the predetermined angular between described focusing lever 11 and described kink 13 can be 90 °～135 °.
Referring to Fig. 1 to Fig. 9, known according to the structure of above-mentioned lens focusing device, described focusing driving lever 1 is fixed on described panel beating fixed support 2 by bracket screw 3, and described panel beating fixed support 2 can be fixed on the housing of projector equipment 100 by gib screw; On described focusing driving lever 1 for user directly focus operate driving lever push button 12 stretch out outside the housing of projector equipment 100, the lens focusing terminal jack 16 of described focusing driving lever 1 is connected with the focusing cylindrical bar 101 of described projector equipment 100, therefore, in the time that user stirs the driving lever push button 12 of above-mentioned focusing driving lever 1, to make described focusing driving lever 1 rotate around described bracket screw 3, thereby drive the focusing cylindrical bar 101 of described projector equipment 100 to realize rectilinear motion, thereby can change the focal length of camera lens, realize the focusing operation to camera lens.Because the lens focusing terminal jack 16 being connected with the focusing cylindrical bar 101 of described projector equipment 100 is arranged on the kink 13 of described focusing driving lever 1, and this kink 13 is predetermined angular setting with described focusing lever 11, therefore, driving lever push button 12 in focus control of the present invention does not need to be arranged on the side of projector equipment 100, but can be according to the needs of practical situations, pre-determine the angle between described kink 13 and described focusing lever 11, thereby the position of the driving lever push button 12 in described focus control is arranged on to the position that user can directly operate easily.For example, in the time that the angle between described kink 13 and described focusing lever 11 is 90 °, the driving lever push button 12 in described focus control can be arranged on to front portion, top or the bottom of projector equipment 100, even can also be arranged on the back of projector equipment 100, thereby can facilitate user by the operation of directly focusing of the driving lever push button 12 of this focus control, greatly improve user's experience.In addition, between each building block in above-mentioned lens focusing device, be all to fix by screw, be therefore convenient to assembling and dismounting, there is good assembly process process.In addition, in above-mentioned lens focusing device, the size of length, shape and the described lens focusing terminal jack 16 of described focusing driving lever 1, shape all can be according to the positions of the focusing cylindrical bar 101 on the installation site of ray machine and ray machine, size, shape and design in advance, thereby can effectively reduce to above-mentioned lens focusing device the dependence to ray machine position, also can effectively reduce the dependence to projector equipment 100 locus, place.In addition, in above-mentioned lens focusing device, all parts is relatively simple for structure, and all can use common material to make, and therefore can effectively reduce production costs.
Referring to Fig. 7 and Fig. 8, and in conjunction with Fig. 3 to Fig. 5, in preferred embodiment of the present invention, described lens focusing device also can further comprise: be arranged at respectively two Damping rotation shaft pads 4 that described turning axle 14 and described panel beating fixed support 2 arch upward between the both sides of portion 21.
The middle part of described Damping rotation shaft pad 4 is provided with the 3rd via hole 41 that can pass through for described bracket screw 3; On described Damping rotation shaft pad 4, be provided with the damping fin friction flange 43 around described the 3rd via hole 41 with described panel beating fixed support 2 one side that portion 21 contacts that arches upward, on the another side of described Damping rotation shaft pad 4, be provided with the damping fin flange 42 around described the 3rd via hole 41;
The both sides of the turning axle 14 of described focusing lever 11 are provided with the damping gasket groove 141 of the damping fin flange 42 that can hold described Damping rotation shaft pad 4.
Known according to said structure, damping fin on above-mentioned Damping rotation shaft pad 4 friction flange 43 can reduce the contact area between inwall and the Damping rotation shaft pad 4 of panel beating fixed support 2, avoid the large area between panel beating fixed support 2 and Damping rotation shaft pad 4 to contact, thereby can control spin friction damping; And, damping fin flange 42 on above-mentioned Damping rotation shaft pad 4 can insert in the damping gasket groove 141 of turning axle 14 of described focusing lever 11, therefore can reduce the contact area between side and the Damping rotation shaft pad 4 of focusing lever 11 turning axles 14, avoid the large area between side and the Damping rotation shaft pad 4 of focusing lever 11 turning axles 14 to contact, thereby can further control spin friction damping.
When focusing driving lever 1 is fixed on described panel beating fixed support 2 by bracket screw 3, due to the elasticity of the difference of rotary torque and panel beating fixed support 2 kinks 13 self, by the frictional damping making between panel beating fixed support 2 and two Damping rotation shaft pads 4, and varying in size of the frictional damping between two Damping rotation shaft pads 4 and focusing lever 11, therefore will make in the time that the driving lever push button 12 of focusing driving lever 1 is positioned at diverse location, the size of stirring the required power of this driving lever push button 12 also dissimilates, so can effectively avoid occurring in focusing process the phenomenon of " idle running ", promote user's adjusting feel.Further, damping gasket groove 141 on the turning axle 14 of above-mentioned focusing lever 11 can also be in the installation process of lens focusing device, be that two Damping rotation shaft pads 4 play good positioning action and guide effect, thereby be conducive to two Damping rotation shaft pads 4 to be inserted in the damping gasket groove 141 of focusing lever 11 turning axles 14, improve the efficiency of assembling process, thus convenient installation.
Referring to Fig. 6 and Fig. 9, and in conjunction with Fig. 3 to Fig. 5, in preferred embodiment of the present invention, the outside of described panel beating fixed support 2 first sides 22 is positioned at the second via hole 24 places and is also provided with the female fixing flange threaded hole 27 of tool; The lower end of described bracket screw 3 is provided with can be for the threaded portion 33 being connected with described fixing flange threaded hole 27 after described bracket screw 3 successively the second via hole 24, the first via hole 15 of described turning axle 14 and the second via hole 24 of the first side 22 through the second side 23.
Preferably, in specific embodiments of the invention, the top 31 of described bracket screw 3 is head of screw, therefore, can be rotated operation to described bracket screw 3 by instruments such as screwdrivers.
Preferably, in specific embodiments of the invention, the middle part 32 of described bracket screw 3 is smooth screw rod, therefore can realize glossily and rotating with the second via hole 24 of the first via hole 15 of the second via hole 24 of the second side 23, turning axle 14 and the first side 22, to reduce friction.
In addition, in specific embodiments of the invention, in order to use gib screw that described panel beating fixed support 2 is fixed on the housing of projector equipment 100, on the housing of described projector equipment 100, also will set in advance the fixing bottom outlet that can pass or connect for gib screw, the fixed via 26 on the position of these fixing bottom outlets and described panel beating fixed support 2 is one to one.But, in actual installation process, due to the difference of rotary torque and the elasticity of sheet metal component bending structure self, will between the fixing bottom outlet making on the housing of each fixed via 26 on described panel beating fixed support 2 and projector equipment 100, can produce certain relative displacement.For fear of the housing that panel beating fixed support 2 cannot be fixed on to projector equipment 100 due to above-mentioned relative displacement, therefore referring to Fig. 6, in preferred embodiment of the present invention, the fixed via on the flange 25 of described panel beating fixed support 2 first sides 22 is U-shaped through hole; Fixed via on the flange 25 of described panel beating fixed support 2 second sides 23 is manhole.
Because the fixed via on described panel beating fixed support 2 first side 22 flange 25 is U-shaped through hole, even if therefore have less relative displacement between the fixing bottom outlet on the housing of the fixed via on panel beating fixed support 2 and projector equipment 100, also can be by panel beating fixed support 2 being fixed on the housing of projector equipment 100 through the gib screw of above-mentioned U-shaped through hole and manhole.
Preferably, in specific embodiments of the invention, on the flange 25 of described panel beating fixed support 2 second sides 23, be also provided with pre-determined bit post through hole 28; On the housing of described projector equipment 100, be provided with the pre-determined bit post corresponding with above-mentioned pre-determined bit post through hole 28.
By above-mentioned pre-determined bit post through hole 28 and pre-determined bit post, can in installation process, play good positioning action and guide effect, thereby be conducive to described panel beating fixed support 2 to be assembled on the housing of projector equipment 100, improve the efficiency of assembling process.
Referring to Fig. 4 and in conjunction with Fig. 1 and Fig. 2, in preferred embodiment of the present invention, described lens focusing terminal jack 16 is U-shaped jack.Because the focusing cylindrical bar 101 of projector equipment 100 is generally circle, therefore in the time that this focusing cylindrical bar 101 is inserted in described lens focusing terminal jack 16, described drive focusing cylindrical bar 101 is realized rectilinear motion by the motion of described lens focusing terminal jack 16, thereby can change the focal length of camera lens, realize the focusing operation to camera lens.
In addition, due to for the driving lever push button 12 in lens focusing device can be stretched out outside the housing of projector equipment 100, the hole that a described driving lever push button 12 of confession passes must be set on the housing of projector equipment 100, therefore, further, in preferred embodiment of the present invention, the bottom of described driving lever push button 12 is also provided with the appearance baffle plate 17 of arc, for blocking the hole on the housing of above-mentioned projector equipment 100, avoid observing directly by this hole the inside of projector equipment 100.
Preferably, in specific embodiments of the invention, described focusing driving lever 1 can be made up of acrylonitrile-butadiene-styrene copolymer (ABS), and described ABS is the thermoplastic engineering plastic that a kind of purposes is extremely wide.Described panel beating fixed support 2 can be made up of hot dip galvanizing sheet iron (SECC).Described two Damping rotation shaft pads 4 all can be made up of polyformaldehyde resin (POM).Wherein, described POM can be described as again match steel, is a kind of thermoplastic engineering plastic, has good physics, machinery and chemical property, especially has excellent crocking resistance, and self tool lubricity.
Referring to Fig. 1 to Fig. 9, the assembling process of the lens focusing device described in the present embodiment is as follows:
First, can be by described bracket screw 3 successively through the 3rd via hole 41 on the first via hole 15, two Damping rotation shaft pads 4 of the second via hole 24 of described panel beating fixed support 2 second sides 23, described focusing driving lever 1 turning axle 14 and the second via hole 24 of described panel beating fixed support 2 first sides 22, then be connected with the fixing flange threaded hole 27 in 22 outsides, described panel beating fixed support 2 first side, thereby described focusing driving lever 1 is fixed on described panel beating fixed support 2, and described focusing driving lever 1 can be rotated around described bracket screw 3; Then, by the driving lever push button 12 of described focusing driving lever 1 and arc appearance baffle plate 17 stretch out outside the housing of projector equipment 100, the lens focusing terminal jack 16 of described focusing driving lever 1 is connected with the focusing cylindrical bar 101 of described projector equipment 100; Finally, can be by multiple gib screws through after each fixed via 26 on described panel beating fixed support 2 flange 25, be connected with the fixing bottom outlet on the housing of described projector equipment 100, thereby whole lens focusing device be arranged on the housing of described projector equipment 100.
After completing above-mentioned assembling process, can stir the driving lever push button 12 of described focusing driving lever 1, described focusing driving lever 1 is rotated along clockwise direction or counterclockwise rotation around described bracket screw 3, thereby drive the focusing cylindrical bar 101 of described projector equipment 100 to carry out rectilinear motion, thereby can change the focal length of camera lens, realize the focusing operation to camera lens.
In summary, in the lens focusing device that provided in the present invention, by stirring the driving lever push button of described focusing driving lever, can make the focusing cylindrical bar of described projector equipment carry out rectilinear motion, thereby can change the focal length of camera lens, realize the focusing operation to camera lens.And, because kink and focusing lever on focusing driving lever are predetermined angular setting, therefore, driving lever push button in focus control of the present invention does not need to be arranged on the side of projector equipment, but can be according to the needs of practical situations, pre-determine the angle between described kink and described focusing lever, thereby the position of the driving lever push button in described focus control is arranged on to the position that user can directly operate easily, thereby can facilitate user by the operation of directly focusing of the driving lever push button of this focus control, greatly improve user's experience.Further, owing to having used Damping rotation shaft pad in lens focusing device of the present invention, therefore can effectively avoid occurring in focusing process the phenomenon of " idle running ", promote user's adjusting feel.In addition, between each building block in above-mentioned lens focusing device, be all to fix by screw, be therefore convenient to assembling and dismounting, there is good assembly process process.Moreover, in above-mentioned lens focusing device, the size of length, shape and the described lens focusing terminal jack of described focusing driving lever, shape all can be according to the positions of the focusing cylindrical bar on the installation site of ray machine and ray machine, size, shape and design in advance, thereby can effectively reduce to above-mentioned lens focusing device the dependence to ray machine position, also can effectively reduce the dependence to locus, projector equipment place.In addition, in above-mentioned lens focusing device, all parts is relatively simple for structure, and all can use common material to make, and therefore can effectively reduce production costs.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment of doing, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a lens focusing device, is characterized in that, comprising: focusing driving lever, panel beating fixed support and bracket screw; Wherein,
Described focusing driving lever comprises: focusing lever, be arranged at the housing of focusing lever upper end and extended projector equipment driving lever push button, be arranged at focusing lever lower end and be the kink of predetermined angular with described focusing lever; The middle part of described focusing lever is provided with turning axle, and the middle part of described turning axle is provided with the first via hole; The bottom of described kink is provided with the lens focusing terminal jack being connected with the focusing cylindrical bar of described projector equipment;
Described panel beating fixed support comprises: the first side that the portion that arches upward, the side of portion that arches upward described in being arranged at and the upper semisection along described focusing lever extend and be placed in described in second side of arching upward the opposite side of portion and extending along the lower semisection of described focusing lever; On described the first side and the second side, be provided with second via hole that can pass through for described bracket screw; The described subordinate of arching upward has the space that can hold described turning axle; The outside of described the first side and the second side is provided with flange, and on described flange, being provided with can be for gib screw through the fixed via on the housing described panel beating fixed support is fixed on to projector equipment;
Described bracket screw, through arch upward the second via hole of portion both sides of the first via hole, the described panel beating fixed support of described turning axle, is fixed on described focusing driving lever on described panel beating fixed support.
2. lens focusing device as claimed in claim 1, is characterized in that:
Predetermined angular between described focusing lever and described kink is 90 °～135 °.
3. lens focusing device as claimed in claim 1, is characterized in that, described lens focusing device also further comprises: be arranged at respectively two Damping rotation shaft pads that described turning axle and described panel beating fixed support arch upward between the both sides of portion;
The middle part of described Damping rotation shaft pad is provided with the 3rd via hole that can pass through for described bracket screw; The one side contacting with the described panel beating fixed support portion of arching upward on described Damping rotation shaft pad is provided with the damping fin friction flange around described the 3rd via hole, is provided with the damping fin flange around described the 3rd via hole on the another side of described Damping rotation shaft pad;
The both sides of the turning axle of described focusing lever are provided with the damping gasket groove of the damping fin flange that can hold described Damping rotation shaft pad.
4. lens focusing device as claimed in claim 1, is characterized in that:
The outside of described panel beating fixed support the first side is positioned at the second via hole place and is also provided with the female fixing flange threaded hole of tool;
The lower end of described bracket screw is provided with can be for the threaded portion being connected with described fixing flange threaded hole after described bracket screw successively the second via hole, the first via hole of described turning axle and the second via hole of the first side through the second side.
5. the lens focusing device as described in claim 1 or 4, is characterized in that:
The top of described bracket screw is head of screw.
6. the lens focusing device as described in claim 1 or 4, is characterized in that:
The middle part of described bracket screw is smooth screw rod.
7. lens focusing device as claimed in claim 1, is characterized in that:
Fixed via on the flange of described panel beating fixed support the first side is U-shaped through hole;
Fixed via on the flange of described panel beating fixed support the second side is manhole.
8. lens focusing device as claimed in claim 7, is characterized in that:
On the flange of described panel beating fixed support the second side, be also provided with pre-determined bit post through hole.
9. lens focusing device as claimed in claim 1, is characterized in that:
Described lens focusing terminal jack is U-shaped jack.
10. lens focusing device as claimed in claim 1, is characterized in that:
The bottom of described driving lever push button is also provided with the appearance baffle plate of arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256244.7A CN102809799B (en) | 2012-07-23 | 2012-07-23 | Lens focusing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210256244.7A CN102809799B (en) | 2012-07-23 | 2012-07-23 | Lens focusing device |
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| Publication Number | Publication Date |
|---|---|
| CN102809799A CN102809799A (en) | 2012-12-05 |
| CN102809799B true CN102809799B (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210256244.7A Active CN102809799B (en) | 2012-07-23 | 2012-07-23 | Lens focusing device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105319810B (en) * | 2014-06-27 | 2017-03-15 | 中强光电股份有限公司 | Lens regulating module and scialyscope |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4018520A (en) * | 1975-04-15 | 1977-04-19 | Gaf Corporation | Projector focusing mechanism |
| CN1892405A (en) * | 2005-07-05 | 2007-01-10 | 明基电通股份有限公司 | Optical machine module with lens multiplying factor regulation function |
| CN101470244A (en) * | 2007-12-28 | 2009-07-01 | 鸿富锦精密工业（深圳）有限公司 | Lens component |
| CN101713906A (en) * | 2008-10-07 | 2010-05-26 | 鸿富锦精密工业（深圳）有限公司 | Projector |
| CN202126526U (en) * | 2011-05-24 | 2012-01-25 | 惠州市华阳多媒体电子有限公司 | Micro projection sliding type focusing mechanism |
-
2012
- 2012-07-23 CN CN201210256244.7A patent/CN102809799B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4018520A (en) * | 1975-04-15 | 1977-04-19 | Gaf Corporation | Projector focusing mechanism |
| CN1892405A (en) * | 2005-07-05 | 2007-01-10 | 明基电通股份有限公司 | Optical machine module with lens multiplying factor regulation function |
| CN101470244A (en) * | 2007-12-28 | 2009-07-01 | 鸿富锦精密工业（深圳）有限公司 | Lens component |
| CN101713906A (en) * | 2008-10-07 | 2010-05-26 | 鸿富锦精密工业（深圳）有限公司 | Projector |
| CN202126526U (en) * | 2011-05-24 | 2012-01-25 | 惠州市华阳多媒体电子有限公司 | Micro projection sliding type focusing mechanism |
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| CN102809799A (en) | 2012-12-05 |
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